Hydrology and Intervention in Floods

Not applicable.

Exposition of the subjects included in the curriculum and presentation of application examples. Exercise resolution.

At the end of the course, the trainee will be able to:

Identify the hydrological phenomena leading to the occurrence of floods.

 Recognize the behavior of the various types of structures in a flood situation.

List preventive measures to protect against floods.

1. Hydrological Cycle

1.1. General considerations

1.2. Importance of Hydrology in Engineering

1.3. The concept of hydrological balance

2. Hydrographic Basin

2.1. Geometric features

2.2. Drainage system characteristics

2.3. Relief Characteristics

2.4. geology and soils

2.5. Vegetation

3. Precipitation

3.1. Rainfall classification

3.2. Rainfall measurement

3.3. Analysis of rainfall data

3.4. Weighted precipitation over a region

3.5. Annual and monthly rainfall

3.6. Intense short-term precipitation

4. Surface runoff

4.1. Measurement of surface flows. Presentation and use of results

4.1.1. Measurement of river flows

4.1.2. Presentation of hydrometric observations

4.1.3. Time series and accumulated series

4.1.4. Classified series

4.1.5. Sizing of a regularization reservoir

4.2. Analysis of surface flow. Study of a hydrograph

4.2.1. Surface runoff components

4.2.2. Shape of the hydrograph

4.2.3. Factors affecting the shape of the hydrograph

4.3. Study of the floods

4.3.1. Flood point evaluation methods. Empirical formulas, kinematic formulas and statistical methods

4.3.2.Methods for determining flood hydrographs. Unit hydrogram.

5. Floods: extreme element of the river regime

5.1. The concepts of flood and flood

5.2. The hydroclimatic regions of the floods

5.3. Classification criteria and flood typology

5.3.1.Genesis (triggering factors)

5.3.2. Number of flood ends

5.3.3. Frequency of occurrence

5.3.4. Progression speed/Duration

5.3.5.Volume

5.3.6. Magnitude / Flooded Area

5.3.7. Probability of occurrence

5.3.8. Multiple Criteria

6. Hydrographic basins and their components as conditioning factors of floods

7. Valley Funds: Forms, Processes and Dynamics

8. Fluvial dynamics and human intervention

8.1. The anthropic influence on river systems

8.1.1. Deforestation

8.1.2. Construction of dams
8.1.3. Artificialization of river channels

8.1.4. Urbanization

NAO

Bibliografia Recomendada

Slides e material de apoio às aulas fornecidos pelo professor (disponíveis na plataforma académica).

Bibliografia Complementar

Lencastre, A. (2010). Lições de Hidrologia. FCT. Lisboa.

Ramos, C. (2009). Dinâmica Fluvial e Ordenamento do Território. Centro de Estudos Geográficos – Universidade de Lisboa.